500000000055 has 24 divisors (see below), whose sum is σ = 822206023632. Its totient is φ = 259459448832.

The previous prime is 500000000033. The next prime is 500000000089. The reversal of 500000000055 is 550000000005.

It is not a de Polignac number, because 500000000055 - 2⁵ = 500000000023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

500000000055 is a modest number, since divided by 55 gives 50 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 499999999962 and 500000000043.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12153802 + ... + 12194871.

It is an arithmetic number, because the mean of its divisors is an integer number (34258584318).

Almost surely, 2^500000000055 is an apocalyptic number.

500000000055 is a deficient number, since it is larger than the sum of its proper divisors (322206023577).

500000000055 is a wasteful number, since it uses less digits than its factorization.

500000000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24348755 (or 24348718 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 15.

The spelling of 500000000055 in words is "five hundred billion, fifty-five", and thus it is an aban number.